Telephone-exchange system



Dec. 1924. 1,517,331

5. B. WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM Filed on, 23, 1922 56 Sheets-Sheet 1 --J*==+\ g 1, w will] a 1 o o d st E kw jamuge fi Dec. 1924- 1,517,331

s. B. WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM Filed Oct. 23 1 ts-Sheet 2 //7 yen/0r.- 5amue/5 l V/fl/amsdr Dec. 1,517,331

5. B. WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM Filed O t, 23, 1922 56 Sheets-Sheet 5 Mien/ 5- Samue/B M/fiamsJ/r by ,arry.

5. B. wiLLlAMs. JR

TELEPHONE EXCHANGE SYSTEM Filed Oct. 23. 1922 56 Sheets-Sheet 4 //1 van for. Samue/B. Wf/fiamsdr by Mary S. B. WILLIAMS. JR

TELEPHONE EXCHANGE SYSTEM 23. 1922 36 Sheets-Sheet 5 Filed Oct.

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S. B. WILLIAMS. JR

TELEPHONE EXHANGE SYSTEM Dec. 2, 1924. 1,517,331

S. B. WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM Filed on. 23, 1922 36 Sheets-Sheet Awe/7mm- 5amue/B. V/Mam: Jx;

S. B. WILLIAMS. JR

TELEPHONE EXCHANGE SYSTEM 6% W m KM W V w Filed Oct. 23

Dec. 1924- 1,517,331

s. B. WILLIAMS, JR

TELEPHONE BK CHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-$heet 9 Q Q o,

by Af/y Dec. 1924- 1,517,331

5. B. WILLIAMS. JR

TELEPHONE momma SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet 10 Samue/ .l/l Mms/z by Any S. B. WILLIAMS. JR

TELEPHGNE EXCHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet l rwS mg E Q 36 Sheets-Sheet 1 2 S B WiLLlAMS JR TELEPHONE EXCHANGE SYSTEM Filed Oct. 25.

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S. B, WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM Filed Oct. 23, 1922 56 Sheets-Sheet Amen/o4.- Samue/fl W/fiams/z y M. 14/15 S. B. WILLIAMS. JR

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1,517,331 5. B. WILLIAMS, JR

ELEPHONE EXCHANGE SYSTEM Filed Oct. 23. 1922 56 Sheets-Sheet 1 8 y Any S. B. WILLIAMS, JR

TELEPHONE EXCHANGE SYSTEM :56 Sheets-Sheet 1 Filed Oct.

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TELEPHONE EXCHANGE SYSTEM F d ct, 23, 1922 36 Sheets-Sheet 2 QQQN 

